A Chinese Milk Co. Goes Sour

Shares of American Dairy tumbled on Monday following a skeptical article in Barron's.

Updated Dec. 17, 2007 12:01 a.m. ET

AMERICAN DAIRY PLUNGED 16% IN MIDDAY TRADING Monday after a Barron's article explored the Chinese company's regulatory problems and questioned the growth prospects for the maker of powdered milk.

In "Curdled Expectations," Barron's contributing editor Neil Martin wrote that American Dairy shares could fall in coming months, given disclosures last week that the company had dismissed its independent accounting firm and was the...